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Table 1 Results of the Hall measurement by van der Pauw method 1 cm × 1 cm size

From: Effects of the electrical conductivity and orientation of silicon substrate on the synthesis of multi-walled carbon nanotubes by thermal chemical vapor deposition

	Bulk concentration	Conductivity	Mobility
	(/cm³)	(/Ω cm)	(Vs/cm)
Si(100)
U(100)	2.7 × 10¹²	6.7 × 10^-4	15,000
L(100)	1.8 × 10¹⁵	9.8 × 10^-2	350
H(100)	6.0 × 10¹⁹	4.3 × 10²	45
Si(111)
U(111)	1.0 × 10¹²	1.7 × 10^-4	59
L(111)	1.0 × 10¹⁵	6.1 × 10^-2	370
H(111)	3.4 × 10¹⁹	8.9 × 10²	1,600

U, undoped; L, low; H, high.

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